GTU Civil Engineering (Semester 7)
Urban Transportation System
May 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Define the urban form and urban structure. Also explain by drawing flow diagram urbanization cycle taking place.
7 M
1 (b) What are the factors affecting travel demand? Explain sequential demand analysis.
7 M

2 (a) Explain study area, zones, cordon lines. Describe the various transportation surveys to be carried out for urban transportation planning.
7 M
2 (b) Explain by drawing flow diagram system approach to transport planning. What are the stages of transport planning?
7 M
2 (c) Give the various factors affecting the trip generation. Explain the linear regression method of trip generation.
7 M

3 (a) The following information was collected during survey of city having 8 zones.
Travel Zone population(in thousands) Trips (in hundreds)
1 25 11
2 27 10
3 31 17
4 32 14
5 23 13
6 31 16
7 20 09
8 25 13

Develop the linear regression equation for estimating trip generation.
14 M
3 (b) A study area is divided in to four zones 1,2,3 and 4 the present trip distribution And future trips are mentioned in matrix.
O\D 1 2 3 4 Total present Future trips
1 - 50 60 30 140 280
2 40 - 70 20 130 390
3 20 60 - 40 120 300
4 50 70 30 - 150 220
Total present 110 180 160 90 - -
Future trips 200 500 340 150 - 1190

Develop future trip distribution matrix by following methods (1) average growth factor (2) Detroit method (3) furness method
14 M

4 (a) Draw sketch showing 'point segment' and 'corridor model' also explain segment capacity and corridor traffic study.
7 M
4 (b) Explain corridor identification and corridor traffic forecasting.
7 M
4 (c) What is the necessity of traffic assignment? Enlist methods, describe in detail any One.
7 M
4 (d) Explain with formula giving each parameters 'Gravity model' for trip distribution.
7 M

5 (a) What are the famous modes of travel at urban level? Describe the factors affecting modal split.
7 M
5 (b) Explain in detail probit analysis and Logit analysis for modal split.
7 M
5 (c) A town consists of four residential areas 1,2,3 and 4 and two employment producing nodes A & B trip generation equation shows that for design year in equation trips from residence to work are as follows.
Zone trips produced
1 1200
2 2400
3 1700
4 3100

there are 4000 jobs in node A and 4400 jobs in node B. It is known that attraction between zones is inversely proportional square of journey time between zones. The journey time is given as follows ( time in minutes)
Zone A B
1 25 20
2 24 13
3 11 15
4 17 21

Calculate and tabulate inter zonal trips using gravity model from home to work.
14 M



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